{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["used for", "conjunction"], "input": "By relaxing the mesh connectivity requirement , we extend ROD-TV and propose a simple but effective multiscale feature extraction algorithm ."}
{"used for": [{"subject": "mesh connectivity requirement", "object": "multiscale feature extraction algorithm"}, {"subject": "ROD-TV", "object": "multiscale feature extraction algorithm"}], "conjunction": []}